Time delay relay

Claim 1

A TIME DELAY CIRCUIT RESPONSIVE TO A SWITCHED SOURCE OF FIRST POTENTIAL COMPRISING A SECOND SOURCE OF POTENTIAL HAVING ONE TERMINAL COUPLED TO ONE TERMINAL OF SAID SWITCHED SOURCE OF FIRST POTENTIAL, RELAY MEANS INCLUDING A COIL AND A RELAY SWITCH HAVING AN INPUT TERMINAL AND A FIRST AND SECOND OUTPUT TERMINAL WITH THE INPUT TERMINAL COUPLED TO ANOTHER TERMINAL OF THE SWITCHED SOURCE OF FIRST POTENTIAL, A CAPACITOR COUPLED FROM BETWEEN SAID RELAY COIL AND THE INPUT TERMINAL OF SAID RELAY SWITCH TO SAID ONE TERMINAL OF SAID SECOND SOURCE OF POTENTIAL, A TRANSISTOR HAVING A CONTROL ELECTRODE AND HAVING A LOAD CURRENT PATH COUPLED BETWEEN THE FIRST OUTPUT TERMINAL OF SAID RELAY SWITCH AND SAID ONE TERMINAL OF SAID SECOND SOURCE OF POTENTIAL, FIRST IMPEDANCE MEANS COUPLED BETWEEN THE SECOND OUTPUT TERMINAL OF SAID RELAY SWITCH AND A JUNCTION POINT, A TIMING CAPACITOR COUPLED BETWEEN THE CONTROL ELECTRODE OF SAID TRANSISTOR AND SAID JUNCTION POINT, SECOND IMPEDANCE MEANS COUPLED BETWEEN SAID JUNCTION POINT AND SAID ANOTHER TERMINAL OF SAID SWITCHED SOURCE OF FIRST POTENTIAL, BREAKOVER MEANS COUPLED BETWEEN SAID JUNCTION POINT AND ANOTHER TERMINAL OF SAID SECOND SOURCE OF POTENTIAL, SAID BREAKOVER MEANS HAVING A FIRST STABLE STATE WITH A RELATIVELY HIGH IMPEDANCE AND A SECOND STABLE STATE WITH A RELATIVELY LOW IMPEDANCE, AND THIRD IMPEDANCE MEANS COUPLED BETWEEN SAID ANOTHER TERMINAL OF SAID SWITCHED SOURCE OF FIRST POTENTIAL AND THE CONTROL ELECTRODE OF SAID TRANSISTOR.